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  1. Couchbase Server
  2. MB-44449

99.9th percentile SET/GET latency of magma single-node latency tests increased on build 7.0.0-4475

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    • Untriaged
    • 1
    • Yes
    • Magma 2021-Mar1

    Description

      99.9th percentile GET Latency(ms), 1 nodes, 100M x 1KB, 50K ops/sec, 50/50 R/W, Uniform distribution, Magma

      99.9th percentile SET Latency(ms), 1 nodes, 100M x 1KB, 50K ops/sec, 50/50 R/W, Uniform distribution, Magma

       

       

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          This test has lot of variation between runs. We may have to rerun a couple of times to confirm it is a regression

          sarath Sarath Lakshman added a comment - This test has lot of variation between runs. We may have to rerun a couple of times to confirm it is a regression
          bo-chun.wang Bo-Chun Wang added a comment -

          The GET/SET latency is higher in the last 3 runs, and the numbers are consistent. It doesn't look like variation.

          bo-chun.wang Bo-Chun Wang added a comment - The GET/SET latency is higher in the last 3 runs, and the numbers are consistent. It doesn't look like variation.
          lynn.straus Lynn Straus added a comment -

          Per review in the Cheshire Cat Ops meeting and per email updates, all remaining majors/minors/trivials are being moved out of Cheshire Cat on March 10. The purpose is to allow teams to focus on Critical bugs for the remainder of the release. Teams can "pull back" deferred bugs as schedule and bandwidth allow.

          Changing target fix version to CheshireCat.next and adding "deferred-from-Cheshire-Cat" label.

          lynn.straus Lynn Straus added a comment - Per review in the Cheshire Cat Ops meeting and per email updates, all remaining majors/minors/trivials are being moved out of Cheshire Cat on March 10. The purpose is to allow teams to focus on Critical bugs for the remainder of the release. Teams can "pull back" deferred bugs as schedule and bandwidth allow. Changing target fix version to CheshireCat.next and adding "deferred-from-Cheshire-Cat" label.

          The latency has reduced significantly to 6ms and 2ms in 7.0.0-4777 build

          sarath Sarath Lakshman added a comment - The latency has reduced significantly to 6ms and 2ms in 7.0.0-4777 build

          The performance regression is fixed. I close this issue.

          99.9th percentile GET Latency(ms), 1 nodes, 100M x 1KB, 50K ops/sec, 50/50 R/W, Uniform distribution, Magma

          99.9th percentile SET Latency(ms), 1 nodes, 100M x 1KB, 50K ops/sec, 50/50 R/W, Uniform distribution, Magma

          bo-chun.wang Bo-Chun Wang added a comment - The performance regression is fixed. I close this issue. 99.9th percentile GET Latency(ms), 1 nodes, 100M x 1KB, 50K ops/sec, 50/50 R/W, Uniform distribution, Magma Build Latency Job 7.0.0-4469 12.04 http://perf.jenkins.couchbase.com/job/magma-nvme-1node-latency/56/   7.0.0-4797 11.35 http://perf.jenkins.couchbase.com/job/magma-nvme-1node-latency/88/   99.9th percentile SET Latency(ms), 1 nodes, 100M x 1KB, 50K ops/sec, 50/50 R/W, Uniform distribution, Magma Build Latency Job 7.0.0-4469 4.05 http://perf.jenkins.couchbase.com/job/magma-nvme-1node-latency/56/   7.0.0-4797 3.53 http://perf.jenkins.couchbase.com/job/magma-nvme-1node-latency/88/

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            sarath Sarath Lakshman
            bo-chun.wang Bo-Chun Wang
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